<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-show="categoryName">
              {{ categoryName }}<i @click="closeCategory">×</i>
            </li>
            <li class="with-x" v-show="keyword">
              {{ keyword }}<i @click="closeKeyword">×</i>
            </li>
            <li class="with-x" v-show="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="closeTrademark">×</i>
            </li>
            <li
              class="with-x"
              v-for="(item, index) in searchParams.props"
              :key="item"
            >
              {{ item.split(":")[2] }}
              :
              {{ item.split(":")[1] }}
              <i @click="closeAttrs(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          :trademarkList="trademarkList"
          :attrsList="attrsList"
          @chooseTrademark="chooseTrademark"
          @chooseAttrs="chooseAttrs"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li
                  @click="orderChange('1')"
                  :class="{ active: searchParams.order.split(':')[0] === '1' }"
                >
                  <a href="javascript:;"
                    >综合
                    <i
                      v-show="searchParams.order.split(':')[0] === '1'"
                      class="iconfont"
                      :class="{
                        'icon-down':
                          searchParams.order.split(':')[1] === 'desc',
                        'icon-up': searchParams.order.split(':')[1] === 'asc',
                      }"
                    ></i>
                  </a>
                </li>
                <li
                  @click="orderChange('2')"
                  :class="{ active: searchParams.order.split(':')[0] === '2' }"
                >
                  <a href="javascript:;"
                    >价格
                    <i
                      v-show="searchParams.order.split(':')[0] === '2'"
                      class="iconfont"
                      :class="{
                        'icon-down':
                          searchParams.order.split(':')[1] === 'desc',
                        'icon-up': searchParams.order.split(':')[1] === 'asc',
                      }"
                    >
                    </i
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="item in goodsList"
                :key="item.id"
                @click="toDetail(item.id)"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <a><img :src="item.defaultImg" /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ item.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a>{{ item.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a>加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <Pagination
            :currentPage="searchParams.pageNo"
            :totalPage="totalPage"
            :continuePage="5"
            :total="total"
            @changePage="changePage"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { reqSearchList } from "@/api";
export default {
  name: "Search",
  //也可以通过路由表的props传参 动态的拿到动态路由参数
  props: [
    "category1Id",
    "category2Id",
    "category3Id",
    "categoryName",
    "keyword",
  ],

  components: {
    SearchSelector,
  },

  data() {
    return {
      trademarkList: [],
      attrsList: [],
      goodsList: [],
      total: 0,
      totalPage: 0,

      //定义一个请求的搜索参数
      searchParams: {
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
        keyword: "",
        trademark: "",
        props: [],
        order: "1:desc",

        pageNo: 1,
        pageSize: 2,
      },
    };
  },
  mounted() {
    //初始化请求搜索列表
    this.getSearchList();
  },
  methods: {
    //1. 封装一个请求搜索列表的数据
    async getSearchList() {
      //先整理参数
      this.searchParams = {
        ...this.searchParams,
        category1Id: this.category1Id,
        category2Id: this.category2Id,
        category3Id: this.category3Id,
        categoryName: this.categoryName,
        keyword: this.keyword,
      };

      //再发送请求
      const result = await reqSearchList(this.searchParams);
      this.trademarkList = result.trademarkList;
      this.attrsList = result.attrsList;
      this.goodsList = result.goodsList;
      this.total = result.total;
      this.totalPage = result.totalPages;
    },

    //2. 关闭三级分类的搜索条件
    closeCategory() {
      //三级分类的搜索条件是从路由的query参数过来的
      //当我们想要删除这个条件的时候,直接重新路由跳转不再携带query参数即可
      this.$router.push({
        name: "Search",
        params: {
          keyword: this.keyword,
        },
      });
    },

    //3. 关闭关键字搜索条件
    closeKeyword() {
      //重新跳转即可关闭地址栏中的params参数
      this.$router.push({
        name: "Search",
        query: {
          category1Id: this.category1Id,
          category2Id: this.category2Id,
          category3Id: this.category3Id,
          categoryName: this.categoryName,
        },
      });

      //通知header组件清空输入框的搜索条件
      this.$bus.$emit("clearKeyword");
    },

    //4. 接受子组件传递trademark的自定义事件函数
    chooseTrademark(value) {
      // const [tmId, tmName] = value.split(":");
      this.searchParams.trademark = value;
      //重新发送请求
      this.getSearchList();
    },

    //5. 关闭品牌搜索
    closeTrademark() {
      //把参数中的品牌删除以后,然后再发送一个请求即可
      this.searchParams.trademark = "";
      //重新发送请求
      this.getSearchList();
    },

    //6.点击子组件内部的平台属性时的自定义事件函数
    chooseAttrs(value) {
      //在添加之前先判断当前的props中是否存在该值
      const isHas = this.searchParams.props.some((item) => item === value);
      if (isHas) return;

      //把得到的数据添加到请求参数中去
      this.searchParams.props.push(value);
      //重新发送请求
      this.getSearchList();
    },

    //7.清除某个平台属性
    closeAttrs(index) {
      //从props中删除掉这个值
      this.searchParams.props.splice(index, 1);
      //重新发送请求
      this.getSearchList();
    },

    //8.点击排序的事件回调函数
    orderChange(newType) {
      const oldType = this.searchParams.order.split(":")[0];
      const oldOrder = this.searchParams.order.split(":")[1];

      //判断:如果点击的类型和当前的类型是同一个,则直接把顺序取反即可
      if (newType === oldType) {
        this.searchParams.order = `${newType}:${
          oldOrder === "desc" ? "asc" : "desc"
        }`;
      } else {
        //如果点击的类型不是当前类型,则直接设置为当前点击的类型,并且默认desc
        this.searchParams.order = `${newType}:desc`;
      }

      //重新发送请求
      this.getSearchList();
    },

    //9.页码改变以后触发的自定义事件回调函数
    changePage(page) {
      this.searchParams.pageNo = page;
      //重新发送请求
      this.getSearchList();
    },

    //10.点击商品跳转到详情页
    toDetail(id) {
      this.$router.push({
        name: "Detail",
        params: {
          skuId: id,
        },
      });
    },
  },

  //监听动态路由的参数变化，其实$route是发生替换的
  watch: {
    $route() {
      //只要动态路由发生变化就重新发送请求
      this.getSearchList();
    },
  },

  //可以通过上边的证明，发现动态路由切换的时候，$route是改变的
  //则我们可以直接使用计算属性 动态的获取$route的query和params的值
  /* computed: {
    query() {
      return this.$route.query;
    },
    params() {
      return this.$route.params;
    },
  }, */
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
